Finding the Fourth Proportional to 146,790.14, 202,571.43 and 79,722.14
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Solution
The fourth proportional to 146,790.14, 202,571.43 and 79,722.14 is: 110,017.12
Step by Step Solution
- Step 1: Write the proportion equation
146,790.14 : 202,571.43 = 79,722.14 : x - Step 2: Convert to fraction form
146,790.14/202,571.43 = 79,722.14/x - Step 3: Cross multiply
146,790.14x = 202,571.43 × 79,722.14 - Step 4: Simplify right side
146,790.14x = 16,149,427,902.46 - Step 5: Solve for x
x = 16,149,427,902.46/146,790.14 - Step 6: Final answer
x = 110,017.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.